Roof and floor of truck, do i need to put on top of butyl or will this work by itself?

Thank you for your question. For floor and roof installation, we always recommend Siless 80 mil first and then Siless Liner 157 mil on the top of it.

Will this work on the underside of the car as a heat barrier/shield from the exhaust

I think the foam would melt or burn and get too hot if it was real close to the exhaust pipe underneath the car. probably wouldnt stick well to the dirty underside anyway. However, if you apply it on the inside of car body above the exhaust area you will lessen the flow of heat (and noise) into the interior. You can also apply several layers to increase the R value.

Would this work goodon my van walls

Thank you for your question. Yes, it will be good for your van walls.

What is the thickness of the foam? Could it be cut into a one or two inch strip and wrapped around a 3" tube? Does it scratch easily?

It is 157 Mil 37.5 Sqft. Yes, you could cut it into one or two inch strips. It has self adhesive side, and you can install it around a 3" tube. It is not easy to scratch it, but everything depends on the environment where you install it.

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🔥 Stay cool, quiet, and in control with Siless Liner!

UNMATCHED VALUE - Get premium quality at over 3x less cost per sqft compared to competitors.
DURABLE ODORLESS - Waterproof, oil-resistant, and odor-free for long-lasting performance without compromise.
EFFORTLESS INSTALLATION - Self-adhesive, flexible, and lightweight design makes application quick and mess-free.
ULTIMATE THERMAL SHIELD - Blocks 98% of radiant heat to keep your car cooler in summer and warmer in winter.
PREMIUM CLOSED CELL FOAM - 4mm thick PE foam with aluminum foil finish for superior sound deadening and insulation.

Siless Liner is a 4mm thick, closed-cell polyethylene foam with an aluminum foil finish designed for car sound deadening and heat insulation. Covering 36 sqft per roll, it blocks 98% of radiant heat, is fully waterproof and oil resistant, and features a self-adhesive backing for easy installation. Offering premium performance at a fraction of the cost, it ensures a quieter, cooler, and more comfortable ride year-round.

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€ 118.09

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Finlandstore

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Manufacturer	SILESS
UPC	753068062380
Part Number	SLF36
Item Weight	2.95 pounds
Product Dimensions	330.7 x 15.74 x 0.04 inches
Item model number	157 mil 36 sqft
Size	36 sqft
Style	157 mil 36 SqFt
Item Package Quantity	1
Coverage	36 square foot
Batteries Included?	No
Batteries Required?	No

Siless Liner 157 mil (4 mm) 36 sqft Aluminum Foil Finish Car Sound Deadening & Heat Insulation Closed Cell Foam - PE Foam Sound Deadener

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